Plinius

Sunday, August 8, 2010

PL 58/10: Typical US libraries 2006

Filed under: statistics — plinius @ 11:59 am

I am preparing for IFLA and discussions in the Statistics and Evaluation section.

How much are public libraries used in different countries? The new LJ Index makes it easy to find typical values for US libraries:

  • 6.5 – 8.5 visits per capita
  • 4.5 – 5.5 loans per capita
  • 0.6 – 0.7 loans per visit (1.4 – 1.6)
  • 18-24 internet sessions per 100 visits

Patterns

  • The number of visits per capita, loans per capita, and loans per visit increase as we go from smaller to larger libraries – except at the very top.
  • The number of internet sessions per visit also shows a small but steady increase as we go from smaller to larger libraries. This increase goes all the way to the top.

Australia 06-07

  • 5.3 visits per capita
  • 8.7 loans per capita
  • 1.6 loans per visit

Data on internet sessions are not available.

Lithuania 2006

  • 3,1 visits per capita
  • 7.4 loans per capita
  • 2.4 loans per visit

Austria 2007

  • 1.0 visits per capita
  • 2.2 loans per capita
  • 2.1 loans per visit

Norway 2006

Corresponding Norwegian data (in libraries serving10.000 people or more) are

  • 4.5 visits per capita
  • 4.8 loans per capita
  • 1.1 loans per visit

In Norway, the relative importance of “in house” activities is clearlly larger than in the US, Austyralia, Lithuania and Austria. In Norway the number of loans per visit decreases as we go from smaller to larger libraries.

Singapore

  • 8.6 visits per capita
  • 6.6 loans per capita
  • 0.8 loans per visit

Resources

Plinius Data

APPENDIX

Five categories

The US numbers reflect median values in five different size categories

  • 1246 libraries with annual budgets in the 400-999 thousand USD range
  • 1124 libraries in the 1-4.9 million range
  • 158 libraries in the 5-9.9 million  range
  • 87 libraries with annual budgets in the 10-29.9 million range
  • 30 libraries with annual budgets above 30 million USD

I have not analysed the really small libraries, with budgets below 400 thousand dollars a year But the data are available in the spreadsheet for anybody who is interested.

400-999 thousand USD
1246 libraries

  • 7.66 loans per capita
  • 5.45 visits per capita
  • 1.35 loans per visit
  • 18 internet sessions per 100 visits

1-4.9 million USD
1124 libraries

  • 8.01 loans per capita
  • 5.55 visits per capita
  • 1.43 loans per visit
  • 19 internet sessions per 100 visits

5-9.9 million USD
158 libraries

  • 8.45 loans per capita
  • 5.62 visits per capita
  • 1.47 loans per visit
  • 20 internet sessions per 100 visits

10-29.9 million USD
87 libraries

  • 8.61 loans per capita
  • 5.36 visits per capita
  • 1.64 loans per visit
  • 22 internet sessions per 100 visits

above 30 million USD
30 libraries

  • 6.46 loans per capita
  • 4.58 visits per capita
  • 1.37 loans per visit
  • 24 internet sessions per 100 visits

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